70 lines
2.6 KiB
C++
Executable File
70 lines
2.6 KiB
C++
Executable File
#pragma once
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#include "vp_node.h"
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#include "vp_stream_info_hookable.h"
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#include "../excepts/vp_not_implemented_error.h"
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#include "../excepts/vp_invalid_calling_error.h"
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#include "../utils/vp_gate.h"
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namespace vp_nodes {
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// base class for src nodes, start point of meta/pipeline
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class vp_src_node: public vp_node, public vp_stream_info_hookable {
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private:
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/* data */
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protected:
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// force re-implemetation in child class
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virtual void handle_run() override;
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// force ignored in child class
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virtual std::shared_ptr<vp_objects::vp_meta> handle_frame_meta(std::shared_ptr<vp_objects::vp_frame_meta> meta) override;
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// force ignored in child class
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virtual std::shared_ptr<vp_objects::vp_meta> handle_control_meta(std::shared_ptr<vp_objects::vp_control_meta> meta) override;
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// protected as it can't be instanstiated directly.
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vp_src_node(std::string node_name,
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int channel_index,
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float resize_ratio = 1.0);
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// basic stream info
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int original_fps = -1;
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int original_width = 0;
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int original_height = 0;
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// basic channel info
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int frame_index;
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int channel_index;
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float resize_ratio;
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// control to work or not
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// all derived class need depend on the value to check if work or not (start/stop)
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vp_utils::vp_gate gate;
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// new logic for sending dead flag
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virtual void deinitialized() override;
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public:
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~vp_src_node();
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virtual vp_node_type node_type() override;
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// start signal to pipeline
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void start();
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// stop signal to pipeline
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void stop();
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// speak signal to the pipeline (each node print some message such as current status)
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void speak();
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/* Debug API */
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// record video signal to pipeline, start recording video when vp_record_node(if exists) receive the signal.
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// it is a debug api since record signal is usually generated automatically inside pipe(not by users outside pipe).
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void record_video_manually(bool osd = false, int video_duration = 10);
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/* Debug API */
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// record image signal to pipeline, start recording image when vp_record_node(if exists) receive the signal.
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// it is a debug api since record signal is usually generated automatically inside pipe(not by userd outside pipe).
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void record_image_manually(bool osd = false);
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int get_original_fps() const;
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int get_original_width() const;
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int get_original_height() const;
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};
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} |